/* <script language = "JavaScript">
		function doShowHide(popupMenu) {
			if (popupMenu == "menu1" {
				document.getElementbyId("menu1".style.visibility="visible";
					document.getElementbyId("menu2".style.visibility="hidden";
					document.getElementbyId("menu3".style.visibility="hidden";
					document.getElementbyId("menu4".style.visibility="hidden";
				}
			if (popupMenu == "menu2" {
				document.getElementbyId("menu1".style.visibility="hidden";
					document.getElementbyId("menu2".style.visibility="visible";
					document.getElementbyId("menu3".style.visibility="hidden";
					document.getElementbyId("menu4".style.visibility="hidden";
				}
			if (popupMenu == "menu3" {
				document.getElementbyId("menu1".style.visibility="hidden";
					document.getElementbyId("menu2".style.visibility="hidden";
					document.getElementbyId("menu3".style.visibility="visible";
					document.getElementbyId("menu4".style.visibility="hidden";
				}
			if (popupMenu == "menu4" {
				document.getElementbyId("menu1".style.visibility="visible";
					document.getElementbyId("menu2".style.visibility="hidden";
					document.getElementbyId("menu3".style.visibility="hidden";
					document.getElementbyId("menu4".style.visibility="visible";
				}
		function doHide(popupMenu) {
				document.getElementById(popupMenu).style.visibility="hidden";
				} -->
			</script>  */